package com.tchcn.library.utils;

import android.text.TextUtils;

public class CharacterParser
{
	private static int[] mArrPinYinValue = new int[] { -20319, -20317, -20304, -20295, -20292, -20283, -20265, -20257, -20242, -20230, -20051,
			-20036, -20032, -20026, -20002, -19990, -19986, -19982, -19976, -19805, -19784, -19775, -19774, -19763, -19756, -19751, -19746, -19741,
			-19739, -19728, -19725, -19715, -19540, -19531, -19525, -19515, -19500, -19484, -19479, -19467, -19289, -19288, -19281, -19275, -19270,
			-19263, -19261, -19249, -19243, -19242, -19238, -19235, -19227, -19224, -19218, -19212, -19038, -19023, -19018, -19006, -19003, -18996,
			-18977, -18961, -18952, -18783, -18774, -18773, -18763, -18756, -18741, -18735, -18731, -18722, -18710, -18697, -18696, -18526, -18518,
			-18501, -18490, -18478, -18463, -18448, -18447, -18446, -18239, -18237, -18231, -18220, -18211, -18201, -18184, -18183, -18181, -18012,
			-17997, -17988, -17970, -17964, -17961, -17950, -17947, -17931, -17928, -17922, -17759, -17752, -17733, -17730, -17721, -17703, -17701,
			-17697, -17692, -17683, -17676, -17496, -17487, -17482, -17468, -17454, -17433, -17427, -17417, -17202, -17185, -16983, -16970, -16942,
			-16915, -16733, -16708, -16706, -16689, -16664, -16657, -16647, -16474, -16470, -16465, -16459, -16452, -16448, -16433, -16429, -16427,
			-16423, -16419, -16412, -16407, -16403, -16401, -16393, -16220, -16216, -16212, -16205, -16202, -16187, -16180, -16171, -16169, -16158,
			-16155, -15959, -15958, -15944, -15933, -15920, -15915, -15903, -15889, -15878, -15707, -15701, -15681, -15667, -15661, -15659, -15652,
			-15640, -15631, -15625, -15454, -15448, -15436, -15435, -15419, -15416, -15408, -15394, -15385, -15377, -15375, -15369, -15363, -15362,
			-15183, -15180, -15165, -15158, -15153, -15150, -15149, -15144, -15143, -15141, -15140, -15139, -15128, -15121, -15119, -15117, -15110,
			-15109, -14941, -14937, -14933, -14930, -14929, -14928, -14926, -14922, -14921, -14914, -14908, -14902, -14894, -14889, -14882, -14873,
			-14871, -14857, -14678, -14674, -14670, -14668, -14663, -14654, -14645, -14630, -14594, -14429, -14407, -14399, -14384, -14379, -14368,
			-14355, -14353, -14345, -14170, -14159, -14151, -14149, -14145, -14140, -14137, -14135, -14125, -14123, -14122, -14112, -14109, -14099,
			-14097, -14094, -14092, -14090, -14087, -14083, -13917, -13914, -13910, -13907, -13906, -13905, -13896, -13894, -13878, -13870, -13859,
			-13847, -13831, -13658, -13611, -13601, -13406, -13404, -13400, -13398, -13395, -13391, -13387, -13383, -13367, -13359, -13356, -13343,
			-13340, -13329, -13326, -13318, -13147, -13138, -13120, -13107, -13096, -13095, -13091, -13076, -13068, -13063, -13060, -12888, -12875,
			-12871, -12860, -12858, -12852, -12849, -12838, -12831, -12829, -12812, -12802, -12607, -12597, -12594, -12585, -12556, -12359, -12346,
			-12320, -12300, -12120, -12099, -12089, -12074, -12067, -12058, -12039, -11867, -11861, -11847, -11831, -11798, -11781, -11604, -11589,
			-11536, -11358, -11340, -11339, -11324, -11303, -11097, -11077, -11067, -11055, -11052, -11045, -11041, -11038, -11024, -11020, -11019,
			-11018, -11014, -10838, -10832, -10815, -10800, -10790, -10780, -10764, -10587, -10544, -10533, -10519, -10331, -10329, -10328, -10322,
			-10315, -10309, -10307, -10296, -10281, -10274, -10270, -10262, -10260, -10256, -10254 };
	public static String[] mArrPinYinString = new String[] { "a", "ai", "an", "ang", "ao", "ba", "bai", "ban", "bang", "bao", "bei", "ben", "beng",
			"bi", "bian", "biao", "bie", "bin", "bing", "bo", "bu", "ca", "cai", "can", "cang", "cao", "ce", "ceng", "cha", "chai", "chan", "chang",
			"chao", "che", "chen", "cheng", "chi", "chong", "chou", "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "ci", "cong", "cou",
			"cu", "cuan", "cui", "cun", "cuo", "da", "dai", "dan", "dang", "dao", "de", "deng", "di", "dian", "diao", "die", "ding", "diu", "dong",
			"dou", "du", "duan", "dui", "dun", "duo", "e", "en", "er", "fa", "fan", "fang", "fei", "fen", "feng", "fo", "fou", "fu", "ga", "gai",
			"gan", "gang", "gao", "ge", "gei", "gen", "geng", "gong", "gou", "gu", "gua", "guai", "guan", "guang", "gui", "gun", "guo", "ha", "hai",
			"han", "hang", "hao", "he", "hei", "hen", "heng", "hong", "hou", "hu", "hua", "huai", "huan", "huang", "hui", "hun", "huo", "ji", "jia",
			"jian", "jiang", "jiao", "jie", "jin", "jing", "jiong", "jiu", "ju", "juan", "jue", "jun", "ka", "kai", "kan", "kang", "kao", "ke",
			"ken", "keng", "kong", "kou", "ku", "kua", "kuai", "kuan", "kuang", "kui", "kun", "kuo", "la", "lai", "lan", "lang", "lao", "le", "lei",
			"leng", "li", "lia", "lian", "liang", "liao", "lie", "lin", "ling", "liu", "long", "lou", "lu", "lv", "luan", "lue", "lun", "luo", "ma",
			"mai", "man", "mang", "mao", "me", "mei", "men", "meng", "mi", "mian", "miao", "mie", "min", "ming", "miu", "mo", "mou", "mu", "na",
			"nai", "nan", "nang", "nao", "ne", "nei", "nen", "neng", "ni", "nian", "niang", "niao", "nie", "nin", "ning", "niu", "nong", "nu", "nv",
			"nuan", "nue", "nuo", "o", "ou", "pa", "pai", "pan", "pang", "pao", "pei", "pen", "peng", "pi", "pian", "piao", "pie", "pin", "ping",
			"po", "pu", "qi", "qia", "qian", "qiang", "qiao", "qie", "qin", "qing", "qiong", "qiu", "qu", "quan", "que", "qun", "ran", "rang", "rao",
			"re", "ren", "reng", "ri", "rong", "rou", "ru", "ruan", "rui", "run", "ruo", "sa", "sai", "san", "sang", "sao", "se", "sen", "seng",
			"sha", "shai", "shan", "shang", "shao", "she", "shen", "sheng", "shi", "shou", "shu", "shua", "shuai", "shuan", "shuang", "shui", "shun",
			"shuo", "si", "song", "sou", "su", "suan", "sui", "sun", "suo", "ta", "tai", "tan", "tang", "tao", "te", "teng", "ti", "tian", "tiao",
			"tie", "ting", "tong", "tou", "tu", "tuan", "tui", "tun", "tuo", "wa", "wai", "wan", "wang", "wei", "wen", "weng", "wo", "wu", "xi",
			"xia", "xian", "xiang", "xiao", "xie", "xin", "xing", "xiong", "xiu", "xu", "xuan", "xue", "xun", "ya", "yan", "yang", "yao", "ye", "yi",
			"yin", "ying", "yo", "yong", "you", "yu", "yuan", "yue", "yun", "za", "zai", "zan", "zang", "zao", "ze", "zei", "zen", "zeng", "zha",
			"zhai", "zhan", "zhang", "zhao", "zhe", "zhen", "zheng", "zhi", "zhong", "zhou", "zhu", "zhua", "zhuai", "zhuan", "zhuang", "zhui",
			"zhun", "zhuo", "zi", "zong", "zou", "zu", "zuan", "zui", "zun", "zuo" };

	/**
	 * 获得单个字符的Ascii码
	 * 
	 * @param singleCharacter
	 *            单个字符
	 * @return
	 */
	public static int getAsciiFromSingleCharacter(String singleCharacter)
	{
		int asc = 0;
		try
		{
			byte[] bytes = singleCharacter.getBytes("gb2312");
			if (bytes == null || bytes.length > 2 || bytes.length <= 0)
			{
				throw new RuntimeException("illegal resource string");
			}
			if (bytes.length == 1)
			{
				asc = bytes[0];
			}
			if (bytes.length == 2)
			{
				int hightByte = 256 + bytes[0];
				int lowByte = 256 + bytes[1];
				asc = (256 * hightByte + lowByte) - 256 * 256;
			}
		} catch (Exception e)
		{
			e.printStackTrace();
		}
		return asc;
	}

	/**
	 * (你->ni) (n->n)
	 * 
	 * @param singleCharacter
	 *            单个字符
	 * @return
	 */
	public static String getLettersFromSingleCharacter(String singleCharacter)
	{
		String result = null;
		int ascii = getAsciiFromSingleCharacter(singleCharacter);
		if (ascii > 0 && ascii < 160)
		{
			result = String.valueOf((char) ascii);
		} else
		{
			for (int i = (mArrPinYinValue.length - 1); i >= 0; i--)
			{
				if (mArrPinYinValue[i] <= ascii)
				{
					result = mArrPinYinString[i];
					break;
				}
			}
		}
		return result;
	}

	/**
	 * (你好->nihao) (nihao->nihao)
	 * 
	 * @param content
	 *            字符串
	 * @return
	 */
	public static String getLetters(String content)
	{
		StringBuilder stringBuilder = new StringBuilder();
		if (content != null)
		{
			String single = null;
			String value = null;
			for (int i = 0; i < content.length(); i++)
			{
				single = content.substring(i, i + 1);
				value = getLettersFromSingleCharacter(single);
				stringBuilder.append(value);
			}
		}
		return stringBuilder.toString();
	}

	/**
	 * (你好->n) (nihao->n) (100->1)
	 * 
	 * @param content
	 * @return
	 */
	public static String getFirstLetters(String content)
	{
		String result = null;
		if (!TextUtils.isEmpty(content))
		{
			String letters = getLetters(content);
			if (!TextUtils.isEmpty(letters))
			{
				result = letters.substring(0, 1);
			}
		}
		return result;
	}

	/**
	 * (你好->N) (nihao->N) (100->null)
	 * 
	 * @param content
	 *            字符串
	 * @return
	 */
	public static String getFirstLetters_A2Z(String content)
	{
		String result = null;
		String firstLetters = getFirstLetters(content);
		if (!TextUtils.isEmpty(firstLetters))
		{
			firstLetters = firstLetters.toUpperCase();
			if (firstLetters.matches("[A-Z]"))
			{
				result = firstLetters;
			}
		}
		return result;
	}

	/**
	 * (你好->n) (nihao->n) (100->null)
	 * 
	 * @param content
	 *            字符串
	 * @return
	 */
	public static String getFirstLetters_a2z(String content)
	{
		String result = null;
		String firstLetters = getFirstLetters(content);
		if (!TextUtils.isEmpty(firstLetters))
		{
			firstLetters = firstLetters.toLowerCase();
			if (firstLetters.matches("[a-z]"))
			{
				result = firstLetters;
			}
		}
		return result;
	}

}
